/*
 *  Copyright 2017 The WebRTC project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

package org.webrtc;

import java.util.Arrays;
import java.util.LinkedHashSet;
import java.util.List;

public class DefaultVideoEncoderFactory implements VideoEncoderFactory {
	private final VideoEncoderFactory hardwareVideoEncoderFactory;
	private final VideoEncoderFactory softwareVideoEncoderFactory;

	public DefaultVideoEncoderFactory(
			EglBase.Context eglContext, boolean enableIntelVp8Encoder, boolean enableH264HighProfile) {
		hardwareVideoEncoderFactory = new HardwareVideoEncoderFactory(
				eglContext, enableIntelVp8Encoder, enableH264HighProfile, false /* fallbackToSoftware */);
		softwareVideoEncoderFactory = new SoftwareVideoEncoderFactory();
	}

	/* This is used for testing. */
	DefaultVideoEncoderFactory(VideoEncoderFactory hardwareVideoEncoderFactory) {
		this.hardwareVideoEncoderFactory = hardwareVideoEncoderFactory;
		softwareVideoEncoderFactory = new SoftwareVideoEncoderFactory();
	}

	@Override
	public VideoEncoder createEncoder(VideoCodecInfo info) {
		final VideoEncoder videoEncoder = hardwareVideoEncoderFactory.createEncoder(info);
		if (videoEncoder != null) {
			return videoEncoder;
		}
		return softwareVideoEncoderFactory.createEncoder(info);
	}

	@Override
	public VideoCodecInfo[] getSupportedCodecs() {
		LinkedHashSet<VideoCodecInfo> supportedCodecInfos = new LinkedHashSet<VideoCodecInfo>();

		supportedCodecInfos.addAll(Arrays.asList(softwareVideoEncoderFactory.getSupportedCodecs()));
		supportedCodecInfos.addAll(Arrays.asList(hardwareVideoEncoderFactory.getSupportedCodecs()));

		return supportedCodecInfos.toArray(new VideoCodecInfo[supportedCodecInfos.size()]);
	}
}
